Diverticulitis is the acute inflammation of the diverticulum or saclike protrusion from the wall of the intestines caused by injury and bacterial proliferation.
Abdominal pain is usually localized to the left lower quadrant, is abrupt, steady, severe and worsens over time.
Other signs and symptoms are fever, anorexia, nausea, vomiting, and altered bowel movements especially constipation but may also present with diarrhea or tenesmus.
Oral vitamin B-12 supplementation yields similar efficacy to that of hydroxocobalamin injections, according to a recent study. This suggests that oral supplementation can be used to replace hydroxocobalamin injections in the treatment of Roux-en-Y gastric bypass (RYGB) patients with low values of serum vitamin B-12.